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sportsboy1243 sportsboy1243
  • 19-12-2014
  • Mathematics
Answered

he coordinates below represent two linear equations.


How many solutions does this system of equations have?


Line 1

x y

–3 6

3 4

Line 2

x y

–6 7

9 2

A.

0


B.

exactly 1


C.

exactly 2


D.

infinitely many

Verified Answer :

Ananda26
Ananda26 Ananda26
  • 19-12-2014

Line 1 slope: (4-6)/(3- -3)= -1/3. Y-intercept= 5
y= -1/3x + 5

Line 2 slope: (2-7)/(9- -6)= -1/3. Y-intercept= 5
y= -1/3x + 5

The lines are exactly the same, and there are infinitely many

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